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Science News Archive 2021


Page 82 of 510

Community COVID-19 infections before, after NCAA march madness tournament

A recent study reveals that social gatherings among unvaccinated students during the 2021 NCAA March Madness basketball tournament led to increased COVID-19 infections in a university community. The research, published in JAMA Network Open, suggests that these gatherings occurred eight days after the final game.

White flight may still enforce segregation

Research finds that white Americans perceive a threat to their culture when presented with changing demographics in hypothetical neighborhoods and schools. This perception fuels fears of foreign cultural threat from racial and ethnic minorities, contributing to the persistence of segregation.

Apple iPhone 17 Pro

Apple iPhone 17 Pro delivers top performance and advanced cameras for field documentation, data collection, and secure research communications.

Sharpest images ever reveal the patchy face of living bacteria

Researchers have recorded the sharpest images of living bacteria, revealing a complex architecture that makes them harder to kill by antibiotics. The study found that bacteria with protective outer layers may have stronger and weaker spots on their surface.

Brainstem pathway modulates pain in placebo effect

A new study found that the brainstem plays a key role in modulating pain signals in the spinal cord based on expectations, with increased activity linked to the placebo effect and decreased activity to the nocebo effect.

Seagrass restoration study shows rapid recovery of ecosystem functions

A new study published in Ecological Applications demonstrates rapid expansion of restored eelgrass plots and recovery of ecosystem functions, providing improved habitat for fish and invertebrates. The study shows that restored plots can recover near or at the level seen in natural eelgrass meadows within a few years.

SAMSUNG T9 Portable SSD 2TB

SAMSUNG T9 Portable SSD 2TB transfers large imagery and model outputs quickly between field laptops, lab workstations, and secure archives.

Call-and-response circuit tells neurons when to grow synapses

A team of scientists led by Associate Professor Nicola Allen found that astrocyte signaling is directly related to each stage of neuronal development. The researchers determined that astrocytes respond to neurotransmitters produced by neurons to control the timing of signal production, instructing neuronal growth and development.

Marijuana vaping among adolescents

A review and meta-analysis of 17 studies found a significant increase in cannabis vaping among adolescents in the US and Canada. The study reported nearly 200,000 participants, with a doubling of reported vaping prevalence over the eight-year period.

Sony Alpha a7 IV (Body Only)

Sony Alpha a7 IV (Body Only) delivers reliable low-light performance and rugged build for astrophotography, lab documentation, and field expeditions.

COVID-19 immunity in young Swedish adults investigated

A study of young Swedish adults found that over one in four had SARS-CoV-2-specific antibodies, but fewer had measurable levels of memory B and T cells compared to other age groups. The researchers will continue to study long COVID and vaccination effects on immunity.

Researchers discover a way to increase the effectiveness of antibiotics

A new research discovery at Monash University has found a way to make antibiotics more effective against 'superbugs' by attaching chemoattractants to antibiotics, enabling the recruitment of immune cells and improving killing ability. The findings have shown a 2-fold increase in effectiveness with lower doses.

Garmin GPSMAP 67i with inReach

Garmin GPSMAP 67i with inReach provides rugged GNSS navigation, satellite messaging, and SOS for backcountry geology and climate field teams.

Redefining human diseases through the lens of your DNA

Researchers at Osaka University analyzed data from over 200 health-related traits and diseases in an Asian population to identify specific genomic loci related to medical indications. The study found 14,000 genomic loci of phenotypic significance, including 5,000 novel discoveries.

That primate’s got rhythm!

A study on a critically endangered primate species has discovered categorical rhythms in its songs, similar to those found in human music. The researchers recorded indri songs over a period of twelve years and found both 1:1 and 1:2 rhythmic categories, as well as ritardando effects.

GQ GMC-500Plus Geiger Counter

GQ GMC-500Plus Geiger Counter logs beta, gamma, and X-ray levels for environmental monitoring, training labs, and safety demonstrations.

‘Nanozyme’ therapy prevents harmful dental plaque build-up

A study by the University of Pennsylvania and Indiana University found that a nanozyme therapy, combining ferumoxytol and hydrogen peroxide, significantly reduced the buildup of harmful dental plaque and targeted bacteria responsible for tooth decay. The treatment effectively killed Streptococcus mutans bacteria while leaving other ora...

BICEP3 tightens the bounds on cosmic inflation

The BICEP3 experiment has ruled out several popular inflation models, including some motivated by string theory. The findings suggest that the correct model will be slightly more complicated than those ruled out, but still offer a wide range of viable alternatives.

Tiny microscopic hunters could be a crystal ball for climate change

Researchers at Duke University used mini ecosystems to test the effects of warming on bacteria-eating protists. They found that simple measurements of species traits could predict their response to temperature, shedding light on how climate change will alter microbial communities and influence the pace of global warming.

Interactive floor system makes tracks in encouraging children’s play

Researchers developed an interactive system using floor projections that respond to the player's movements to encourage children's imagination and engagement. The system was evaluated in a study, revealing that unrealistic interactions stimulate children's imaginations more than realistic interactions.

AmScope B120C-5M Compound Microscope

AmScope B120C-5M Compound Microscope supports teaching labs and QA checks with LED illumination, mechanical stage, and included 5MP camera.

Groundbreaking electroceutical research on spleen function

Researchers developed a graphene-based electrode, the sutrode, to modulate spleen function and immune response in diseases like rheumatoid arthritis and sepsis. The device can control different terminal nerves, increasing precision in organ function regulation.

Superconductivity: New tricks for finding better materials

Researchers at TU Wien have successfully explained the electronic structure of nickelates, a new class of superconductors. By comparing theory and experiment, they determined important parameters of these materials, paving the way for improving their superconductivity at higher temperatures.

New synthesis process paves way for more efficient lasers, LEDs

Researchers at North Carolina State University have developed a new synthesis process that increases the number of holes in p-type III-nitride semiconductor materials, leading to more efficient LEDs and lasers. This breakthrough could also help address the long-lasting problem called the 'green gap' in LED technology.

Nikon Monarch 5 8x42 Binoculars

Nikon Monarch 5 8x42 Binoculars deliver bright, sharp views for wildlife surveys, eclipse chases, and quick star-field scans at dark sites.

Metabolic memory plays a key role in breast cancer relapse

A study published in Molecular Systems Biology reveals that tumour cells resistant to treatment exhibit 'metabolic and epigenetic memory' of the tumour state. This finding highlights the importance of glycolysis in sustaining cellular metabolism and provides a potential therapeutic target for preventing breast cancer recurrence.

Creality K1 Max 3D Printer

Creality K1 Max 3D Printer rapidly prototypes brackets, adapters, and fixtures for instruments and classroom demonstrations at large build volume.

VUB-researchers identify interglobular dentine in cremated human teeth

Researchers at VUB have detected vitamin D deficiency in cremated human remains through the analysis of interglobular dentine. This innovation allows for the identification of past populations' exposure to sunlight and daily activities, shedding new light on environmental and sociocultural factors influencing health.

Celestron NexStar 8SE Computerized Telescope

Celestron NexStar 8SE Computerized Telescope combines portable Schmidt-Cassegrain optics with GoTo pointing for outreach nights and field campaigns.

Structured management protocols help firms thrive

Using data from over 353 million unique observations, researchers found that companies with structured management practices attracted top-flight managers and were able to keep talented workers. This suggests that better-managed firms are growing in terms of employment, and that these firms can influence the entire labor market.

Nature article: SARS-CoV-2 disrupts timing of immune response

Researchers discovered that SARS-CoV-2 causes an early release of the immune-dampening TGFβ messenger, disrupting the innate immune response. This disruption impairs natural killer cells' ability to eliminate virus-infected cells, leading to severe disease.

Rigol DP832 Triple-Output Bench Power Supply

Rigol DP832 Triple-Output Bench Power Supply powers sensors, microcontrollers, and test circuits with programmable rails and stable outputs.

Optical superoscillation for nanoimaging and nanometrology

Researchers explored superoscillations for nanoimaging and nanometrology, achieving subwavelength focusing and imaging beyond the traditional diffraction limit. This technology combines with deep learning algorithms to increase resolution and accuracy in micro-nano displacement detection.

University of Surrey maps path to carbon neutrality

The University of Surrey has published a paper outlining its plan to reduce absolute carbon emissions by 46% over the next decade and achieve Net-Zero. The paper provides guidance on how other universities can apply the Science-Based Targets Initiative (SBTi) and offers ideas for financing emission reduction pathways.

Sky & Telescope Pocket Sky Atlas, 2nd Edition

Sky & Telescope Pocket Sky Atlas, 2nd Edition is a durable star atlas for planning sessions, identifying targets, and teaching celestial navigation.

Antibiotics for appendicitis: CODA study findings finalized

The Comparing Outcomes of antibiotic Drugs and Appendectomy (CODA) trial found that nearly 7 in 10 patients with antibiotics avoided an appendectomy within three months. By four years, just under 50% had the surgery, suggesting both treatments are safe and valuable to patients differently based on unique symptoms and circumstances.

Apple AirPods Pro (2nd Generation, USB-C)

Apple AirPods Pro (2nd Generation, USB-C) provide clear calls and strong noise reduction for interviews, conferences, and noisy field environments.

CalDigit TS4 Thunderbolt 4 Dock

CalDigit TS4 Thunderbolt 4 Dock simplifies serious desks with 18 ports for high-speed storage, monitors, and instruments across Mac and PC setups.

COVID-19 risks explained with new tool

A new online calculator, CoRiCal, has been launched to help people make informed decisions about COVID-19 vaccines. The tool provides personalized risk calculations based on individual circumstances, such as age, sex, and community transmission.

A new approach to treating leukemia

Researchers at Bar-Ilan University have developed a novel treatment method that destroys cancer cells by targeting the cytoskeletal protein WASp, which is unique in active hematologic cancer cells. The approach uses small molecule compounds identified through AI and machine learning to inhibit proliferation and destroy malignant cells.

Virtual lung cancer screening is just as effective as in-person screening

A study by Temple University Hospital found that virtual single-visit screenings are just as effective as in-person screenings, especially for African American patients. The telemedicine approach helped preserve access to lung cancer screening during the pandemic, despite a 75% decline in overall screenings.

Apple MacBook Pro 14-inch (M4 Pro)

Apple MacBook Pro 14-inch (M4 Pro) powers local ML workloads, large datasets, and multi-display analysis for field and lab teams.